APA (7th ed.) Citation

Cleary, S. P., Cotterchio, M., Shi, E., Gallinger, S., & Harper, P. (2010). Cigarette Smoking, Genetic Variants in Carcinogen-metabolizing Enzymes, and Colorectal Cancer Risk. American journal of epidemiology, 172(9), 1000-1014. https://doi.org/10.1093/aje/kwq245

Chicago Style (17th ed.) Citation

Cleary, Sean P., Michelle Cotterchio, Ellen Shi, Steven Gallinger, and Patricia Harper. "Cigarette Smoking, Genetic Variants in Carcinogen-metabolizing Enzymes, and Colorectal Cancer Risk." American Journal of Epidemiology 172, no. 9 (2010): 1000-1014. https://doi.org/10.1093/aje/kwq245.

MLA (9th ed.) Citation

Cleary, Sean P., et al. "Cigarette Smoking, Genetic Variants in Carcinogen-metabolizing Enzymes, and Colorectal Cancer Risk." American Journal of Epidemiology, vol. 172, no. 9, 2010, pp. 1000-1014, https://doi.org/10.1093/aje/kwq245.